United Nations International School Of Hanoi, Hanoi, Ha Noi, Vietnam Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+
August Air Quality Analysis
United Nations International School Of Hanoi, Hanoi, Ha Noi, Vietnam
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
11th Aug 2023
192AQILowest AQI recorded on
1st Aug 2021
0AQISame Day Analysis (2nd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 54 of Moderate air quality, showing improvement over 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 3rd Aug - 4th Aug 2025
United Nations International School Of Hanoi, Hanoi, Ha Noi, Vietnam
AQI
Day
Night
.
5 AM3rd Aug 2025
6 PM
4 AM4th Aug 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
12PM3rd Aug
70AQI
Avg. Lowest Time
6PM3rd Aug
47AQI
In the last 24 hours,
United Nations International School Of Hanoi's AQI reached its highest point of 70 at 12 PM during the Night, while the lowest point, undefined, was recorded at 4 AM during the Night between 3rd Aug and 4th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
United Nations International School Of Hanoi, Hanoi, Ha Noi, Vietnam
JulAug
05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th
Day
Night
5th Jul 2025615 AMAQI
5th Jul 2025616 AMAQI
5th Jul 2025677 AMAQI
5th Jul 2025698 AMAQI
5th Jul 2025749 AMAQI
5th Jul 20256310 AMAQI
5th Jul 20255811 AMAQI
5th Jul 20255812 PMAQI
5th Jul 2025601 PMAQI
5th Jul 2025702 PMAQI
5th Jul 2025643 PMAQI
5th Jul 2025704 PMAQI
5th Jul 2025715 PMAQI
5th Jul 2025746 PMAQI
5th Jul 2025687 PMAQI
5th Jul 2025668 PMAQI
5th Jul 2025669 PMAQI
5th Jul 20256710 PMAQI
5th Jul 20256311 PMAQI
6th Jul 20256312 AMAQI
6th Jul 2025631 AMAQI
6th Jul 2025622 AMAQI
6th Jul 2025613 AMAQI
6th Jul 2025614 AMAQI
30°C26/35°C
6th Jul 2025615 AMAQI
6th Jul 2025616 AMAQI
6th Jul 2025617 AMAQI
6th Jul 2025638 AMAQI
6th Jul 2025599 AMAQI
6th Jul 20257010 AMAQI
6th Jul 20257711 AMAQI
6th Jul 20255512 PMAQI
6th Jul 2025651 PMAQI
6th Jul 2025612 PMAQI
6th Jul 2025643 PMAQI
6th Jul 2025664 PMAQI
6th Jul 2025675 PMAQI
6th Jul 2025696 PMAQI
6th Jul 2025637 PMAQI
6th Jul 2025638 PMAQI
6th Jul 2025619 PMAQI
6th Jul 20256010 PMAQI
6th Jul 20256011 PMAQI
7th Jul 20256212 AMAQI
7th Jul 2025621 AMAQI
7th Jul 2025612 AMAQI
7th Jul 2025613 AMAQI
7th Jul 2025614 AMAQI
29°C27/33°C
7th Jul 2025615 AMAQI
7th Jul 2025616 AMAQI
7th Jul 2025767 AMAQI
7th Jul 2025758 AMAQI
7th Jul 2025839 AMAQI
7th Jul 20258110 AMAQI
7th Jul 20258011 AMAQI
7th Jul 20257312 PMAQI
7th Jul 2025691 PMAQI
7th Jul 2025662 PMAQI
7th Jul 2025653 PMAQI
7th Jul 2025644 PMAQI
7th Jul 2025635 PMAQI
7th Jul 2025626 PMAQI
7th Jul 2025717 PMAQI
7th Jul 2025728 PMAQI
7th Jul 2025689 PMAQI
7th Jul 20256610 PMAQI
7th Jul 20256711 PMAQI
8th Jul 20256612 AMAQI
8th Jul 2025631 AMAQI
8th Jul 2025622 AMAQI
8th Jul 2025643 AMAQI
8th Jul 2025644 AMAQI
30°C26/35°C
8th Jul 2025645 AMAQI
8th Jul 2025636 AMAQI
8th Jul 2025697 AMAQI
8th Jul 2025718 AMAQI
8th Jul 2025629 AMAQI
8th Jul 20256110 AMAQI
8th Jul 20256011 AMAQI
8th Jul 20257012 PMAQI
8th Jul 2025771 PMAQI
8th Jul 2025742 PMAQI
8th Jul 2025803 PMAQI
8th Jul 2025824 PMAQI
8th Jul 2025785 PMAQI
8th Jul 2025626 PMAQI
8th Jul 2025657 PMAQI
8th Jul 2025648 PMAQI
8th Jul 2025669 PMAQI
8th Jul 20257310 PMAQI
8th Jul 20257311 PMAQI
9th Jul 20257712 AMAQI
9th Jul 2025611 AMAQI
9th Jul 2025642 AMAQI
9th Jul 2025643 AMAQI
9th Jul 2025624 AMAQI
31°C27/37°C
9th Jul 2025635 AMAQI
9th Jul 2025646 AMAQI
9th Jul 2025787 AMAQI
9th Jul 2025808 AMAQI
9th Jul 2025719 AMAQI
9th Jul 20256410 AMAQI
9th Jul 20256411 AMAQI
9th Jul 20257412 PMAQI
9th Jul 2025801 PMAQI
9th Jul 2025702 PMAQI
9th Jul 2025733 PMAQI
9th Jul 2025724 PMAQI
9th Jul 2025735 PMAQI
9th Jul 2025776 PMAQI
9th Jul 2025737 PMAQI
9th Jul 2025818 PMAQI
9th Jul 2025869 PMAQI
9th Jul 20258110 PMAQI
9th Jul 20257211 PMAQI
10th Jul 20257612 AMAQI
10th Jul 2025691 AMAQI
10th Jul 2025662 AMAQI
10th Jul 2025673 AMAQI
10th Jul 2025664 AMAQI
32°C28/37°C
10th Jul 2025665 AMAQI
10th Jul 2025666 AMAQI
10th Jul 2025587 AMAQI
10th Jul 2025528 AMAQI
10th Jul 2025509 AMAQI
10th Jul 20255710 AMAQI
10th Jul 20256011 AMAQI
10th Jul 20256112 PMAQI
10th Jul 2025601 PMAQI
10th Jul 2025572 PMAQI
10th Jul 2025393 PMAQI
10th Jul 2025474 PMAQI
10th Jul 2025555 PMAQI
10th Jul 2025566 PMAQI
10th Jul 2025597 PMAQI
10th Jul 2025628 PMAQI
10th Jul 2025679 PMAQI
10th Jul 20256810 PMAQI
10th Jul 20256711 PMAQI
11th Jul 20256612 AMAQI
11th Jul 2025641 AMAQI
11th Jul 2025632 AMAQI
11th Jul 2025613 AMAQI
11th Jul 2025624 AMAQI
30°C26/35°C
11th Jul 2025595 AMAQI
11th Jul 2025606 AMAQI
11th Jul 2025587 AMAQI
11th Jul 2025618 AMAQI
11th Jul 2025569 AMAQI
11th Jul 20255410 AMAQI
11th Jul 20255511 AMAQI
11th Jul 20256012 PMAQI
11th Jul 2025661 PMAQI
11th Jul 2025622 PMAQI
11th Jul 2025663 PMAQI
11th Jul 2025674 PMAQI
11th Jul 2025675 PMAQI
11th Jul 2025656 PMAQI
11th Jul 2025627 PMAQI
11th Jul 2025648 PMAQI
11th Jul 2025639 PMAQI
11th Jul 20256210 PMAQI
11th Jul 20256211 PMAQI
12th Jul 20256012 AMAQI
12th Jul 2025611 AMAQI
12th Jul 2025612 AMAQI
12th Jul 2025603 AMAQI
12th Jul 2025614 AMAQI
29°C26/33°C
12th Jul 2025605 AMAQI
12th Jul 2025606 AMAQI
12th Jul 2025697 AMAQI
12th Jul 2025618 AMAQI
12th Jul 2025609 AMAQI
12th Jul 20255810 AMAQI
12th Jul 20255411 AMAQI
12th Jul 20255712 PMAQI
12th Jul 2025631 PMAQI
12th Jul 2025622 PMAQI
12th Jul 2025613 PMAQI
12th Jul 2025624 PMAQI
12th Jul 2025625 PMAQI
12th Jul 2025596 PMAQI
12th Jul 2025577 PMAQI
12th Jul 2025588 PMAQI
12th Jul 2025619 PMAQI
12th Jul 20256110 PMAQI
12th Jul 20256211 PMAQI
13th Jul 20256212 AMAQI
13th Jul 2025611 AMAQI
13th Jul 2025602 AMAQI
13th Jul 2025593 AMAQI
13th Jul 2025584 AMAQI
29°C26/34°C
13th Jul 2025605 AMAQI
13th Jul 2025606 AMAQI
13th Jul 2025657 AMAQI
13th Jul 2025718 AMAQI
13th Jul 2025689 AMAQI
13th Jul 20256510 AMAQI
13th Jul 20255811 AMAQI
13th Jul 20255512 PMAQI
13th Jul 2025521 PMAQI
13th Jul 2025612 PMAQI
13th Jul 2025643 PMAQI
13th Jul 2025604 PMAQI
13th Jul 2025625 PMAQI
13th Jul 2025646 PMAQI
13th Jul 2025647 PMAQI
13th Jul 2025708 PMAQI
13th Jul 2025749 PMAQI
13th Jul 20257610 PMAQI
13th Jul 20257511 PMAQI
14th Jul 20257212 AMAQI
14th Jul 2025701 AMAQI
14th Jul 2025592 AMAQI
14th Jul 2025603 AMAQI
14th Jul 2025604 AMAQI
29°C26/34°C
14th Jul 2025605 AMAQI
14th Jul 2025606 AMAQI
14th Jul 2025837 AMAQI
14th Jul 20251048 AMAQI
14th Jul 2025969 AMAQI
14th Jul 20259410 AMAQI
14th Jul 20258211 AMAQI
14th Jul 20258012 PMAQI
14th Jul 2025851 PMAQI
14th Jul 2025862 PMAQI
14th Jul 20251043 PMAQI
14th Jul 2025864 PMAQI
14th Jul 2025835 PMAQI
14th Jul 2025746 PMAQI
14th Jul 2025727 PMAQI
14th Jul 2025768 PMAQI
14th Jul 2025729 PMAQI
14th Jul 20257210 PMAQI
14th Jul 20257211 PMAQI
15th Jul 20257512 AMAQI
15th Jul 2025681 AMAQI
15th Jul 2025642 AMAQI
15th Jul 2025693 AMAQI
15th Jul 2025684 AMAQI
31°C27/35°C
15th Jul 2025685 AMAQI
15th Jul 2025686 AMAQI
15th Jul 2025827 AMAQI
15th Jul 20251008 AMAQI
15th Jul 20251129 AMAQI
15th Jul 202512610 AMAQI
15th Jul 20259811 AMAQI
15th Jul 202512212 PMAQI
15th Jul 20251031 PMAQI
15th Jul 20251062 PMAQI
15th Jul 2025963 PMAQI
15th Jul 2025884 PMAQI
15th Jul 20251025 PMAQI
15th Jul 2025986 PMAQI
15th Jul 2025937 PMAQI
15th Jul 2025778 PMAQI
15th Jul 2025799 PMAQI
15th Jul 20257910 PMAQI
15th Jul 20257211 PMAQI
16th Jul 20257012 AMAQI
16th Jul 2025681 AMAQI
16th Jul 2025682 AMAQI
16th Jul 2025733 AMAQI
16th Jul 2025744 AMAQI
30°C28/34°C
16th Jul 2025745 AMAQI
16th Jul 2025746 AMAQI
16th Jul 2025677 AMAQI
16th Jul 2025688 AMAQI
16th Jul 2025709 AMAQI
16th Jul 20258110 AMAQI
16th Jul 20258211 AMAQI
16th Jul 20258712 PMAQI
16th Jul 2025801 PMAQI
16th Jul 2025742 PMAQI
16th Jul 2025803 PMAQI
16th Jul 2025764 PMAQI
16th Jul 2025795 PMAQI
16th Jul 2025786 PMAQI
16th Jul 2025727 PMAQI
16th Jul 2025708 PMAQI
16th Jul 2025709 PMAQI
16th Jul 20256910 PMAQI
16th Jul 20256611 PMAQI
17th Jul 20256412 AMAQI
17th Jul 2025671 AMAQI
17th Jul 2025682 AMAQI
17th Jul 2025683 AMAQI
17th Jul 2025684 AMAQI
31°C27/35°C
17th Jul 2025695 AMAQI
17th Jul 2025696 AMAQI
17th Jul 2025757 AMAQI
17th Jul 2025818 AMAQI
17th Jul 2025829 AMAQI
17th Jul 20258010 AMAQI
17th Jul 20258011 AMAQI
17th Jul 20257612 PMAQI
17th Jul 2025761 PMAQI
17th Jul 2025702 PMAQI
17th Jul 2025673 PMAQI
17th Jul 2025664 PMAQI
17th Jul 2025665 PMAQI
17th Jul 2025696 PMAQI
17th Jul 2025677 PMAQI
17th Jul 2025718 PMAQI
17th Jul 2025709 PMAQI
17th Jul 20257010 PMAQI
17th Jul 20256811 PMAQI
18th Jul 20256812 AMAQI
18th Jul 2025661 AMAQI
18th Jul 2025652 AMAQI
18th Jul 2025663 AMAQI
18th Jul 2025674 AMAQI
31°C27/37°C
18th Jul 2025665 AMAQI
18th Jul 2025666 AMAQI
18th Jul 2025697 AMAQI
18th Jul 2025708 AMAQI
18th Jul 2025629 AMAQI
18th Jul 20256110 AMAQI
18th Jul 20257411 AMAQI
18th Jul 20256712 PMAQI
18th Jul 2025611 PMAQI
18th Jul 2025642 PMAQI
18th Jul 2025583 PMAQI
18th Jul 2025724 PMAQI
18th Jul 2025725 PMAQI
18th Jul 2025676 PMAQI
18th Jul 2025667 PMAQI
18th Jul 2025688 PMAQI
18th Jul 2025699 PMAQI
18th Jul 20256810 PMAQI
18th Jul 20257111 PMAQI
19th Jul 20256712 AMAQI
19th Jul 2025641 AMAQI
19th Jul 2025642 AMAQI
19th Jul 2025643 AMAQI
19th Jul 2025644 AMAQI
32°C28/37°C
19th Jul 2025655 AMAQI
19th Jul 2025656 AMAQI
19th Jul 20251097 AMAQI
19th Jul 20251168 AMAQI
19th Jul 20251369 AMAQI
19th Jul 202511310 AMAQI
19th Jul 20259711 AMAQI
19th Jul 20258412 PMAQI
19th Jul 2025811 PMAQI
19th Jul 2025662 PMAQI
19th Jul 2025643 PMAQI
19th Jul 2025804 PMAQI
19th Jul 2025745 PMAQI
19th Jul 2025606 PMAQI
19th Jul 2025587 PMAQI
19th Jul 2025588 PMAQI
19th Jul 2025609 PMAQI
19th Jul 20256010 PMAQI
19th Jul 20256011 PMAQI
20th Jul 20256212 AMAQI
20th Jul 2025661 AMAQI
20th Jul 2025662 AMAQI
20th Jul 2025713 AMAQI
20th Jul 2025704 AMAQI
31°C25/37°C
20th Jul 2025705 AMAQI
20th Jul 2025716 AMAQI
20th Jul 2025707 AMAQI
20th Jul 2025748 AMAQI
20th Jul 2025679 AMAQI
20th Jul 20256910 AMAQI
20th Jul 20257411 AMAQI
20th Jul 20257412 PMAQI
20th Jul 2025721 PMAQI
20th Jul 2025692 PMAQI
20th Jul 2025713 PMAQI
20th Jul 2025694 PMAQI
20th Jul 2025735 PMAQI
20th Jul 2025726 PMAQI
20th Jul 2025757 PMAQI
20th Jul 2025728 PMAQI
20th Jul 2025789 PMAQI
20th Jul 20257710 PMAQI
20th Jul 20256911 PMAQI
21st Jul 20257012 AMAQI
21st Jul 2025741 AMAQI
21st Jul 2025642 AMAQI
21st Jul 2025643 AMAQI
21st Jul 2025654 AMAQI
28°C25/31°C
21st Jul 2025665 AMAQI
21st Jul 2025656 AMAQI
21st Jul 2025617 AMAQI
21st Jul 2025668 AMAQI
21st Jul 2025739 AMAQI
21st Jul 20257710 AMAQI
21st Jul 20258311 AMAQI
21st Jul 20257612 PMAQI
21st Jul 2025761 PMAQI
21st Jul 2025752 PMAQI
21st Jul 2025743 PMAQI
21st Jul 2025704 PMAQI
21st Jul 2025715 PMAQI
21st Jul 2025666 PMAQI
21st Jul 2025677 PMAQI
21st Jul 2025678 PMAQI
21st Jul 2025639 PMAQI
21st Jul 20256110 PMAQI
21st Jul 20256311 PMAQI
22nd Jul 20256412 AMAQI
22nd Jul 2025661 AMAQI
22nd Jul 2025652 AMAQI
22nd Jul 2025663 AMAQI
22nd Jul 2025644 AMAQI
26°C25/27°C
22nd Jul 2025665 AMAQI
22nd Jul 2025646 AMAQI
22nd Jul 2025437 AMAQI
22nd Jul 2025288 AMAQI
22nd Jul 2025229 AMAQI
22nd Jul 20252410 AMAQI
22nd Jul 20252811 AMAQI
22nd Jul 20253212 PMAQI
22nd Jul 2025281 PMAQI
22nd Jul 2025322 PMAQI
22nd Jul 2025253 PMAQI
22nd Jul 2025284 PMAQI
22nd Jul 2025325 PMAQI
22nd Jul 2025326 PMAQI
22nd Jul 2025457 PMAQI
22nd Jul 2025448 PMAQI
22nd Jul 2025489 PMAQI
22nd Jul 20254810 PMAQI
22nd Jul 20255011 PMAQI
23rd Jul 20255012 AMAQI
23rd Jul 2025611 AMAQI
23rd Jul 2025602 AMAQI
23rd Jul 2025583 AMAQI
23rd Jul 2025584 AMAQI
27°C25/29°C
23rd Jul 2025585 AMAQI
23rd Jul 2025576 AMAQI
23rd Jul 2025547 AMAQI
23rd Jul 2025548 AMAQI
23rd Jul 2025579 AMAQI
23rd Jul 20256010 AMAQI
23rd Jul 20256011 AMAQI
23rd Jul 20255812 PMAQI
23rd Jul 2025481 PMAQI
23rd Jul 2025422 PMAQI
23rd Jul 2025373 PMAQI
23rd Jul 2025444 PMAQI
23rd Jul 2025515 PMAQI
23rd Jul 2025566 PMAQI
23rd Jul 2025627 PMAQI
23rd Jul 2025628 PMAQI
23rd Jul 2025659 PMAQI
23rd Jul 20256110 PMAQI
23rd Jul 20255911 PMAQI
24th Jul 20255912 AMAQI
24th Jul 2025571 AMAQI
24th Jul 2025562 AMAQI
24th Jul 2025563 AMAQI
24th Jul 2025564 AMAQI
28°C26/31°C
24th Jul 2025565 AMAQI
24th Jul 2025566 AMAQI
24th Jul 2025587 AMAQI
24th Jul 2025618 AMAQI
24th Jul 2025629 AMAQI
24th Jul 20256010 AMAQI
24th Jul 20255511 AMAQI
24th Jul 20255312 PMAQI
24th Jul 2025511 PMAQI
24th Jul 2025472 PMAQI
24th Jul 2025483 PMAQI
24th Jul 2025464 PMAQI
24th Jul 2025575 PMAQI
24th Jul 2025606 PMAQI
24th Jul 2025587 PMAQI
24th Jul 2025618 PMAQI
24th Jul 2025619 PMAQI
24th Jul 20256210 PMAQI
24th Jul 20256011 PMAQI
25th Jul 20256212 AMAQI
25th Jul 2025601 AMAQI
25th Jul 2025562 AMAQI
25th Jul 2025553 AMAQI
25th Jul 2025554 AMAQI
28°C26/32°C
25th Jul 2025555 AMAQI
25th Jul 2025556 AMAQI
25th Jul 2025667 AMAQI
25th Jul 2025698 AMAQI
25th Jul 2025679 AMAQI
25th Jul 20256110 AMAQI
25th Jul 20256211 AMAQI
25th Jul 20256212 PMAQI
25th Jul 2025641 PMAQI
25th Jul 2025562 PMAQI
25th Jul 2025663 PMAQI
25th Jul 2025694 PMAQI
25th Jul 2025655 PMAQI
25th Jul 2025526 PMAQI
25th Jul 2025657 PMAQI
25th Jul 2025688 PMAQI
25th Jul 2025719 PMAQI
25th Jul 20256310 PMAQI
25th Jul 20255411 PMAQI
26th Jul 20256712 AMAQI
26th Jul 2025611 AMAQI
26th Jul 2025572 AMAQI
26th Jul 2025583 AMAQI
26th Jul 2025584 AMAQI
29°C25/34°C
26th Jul 2025585 AMAQI
26th Jul 2025586 AMAQI
26th Jul 2025627 AMAQI
26th Jul 2025678 AMAQI
26th Jul 2025579 AMAQI
26th Jul 20256210 AMAQI
26th Jul 20256611 AMAQI
26th Jul 20256212 PMAQI
26th Jul 2025631 PMAQI
26th Jul 2025682 PMAQI
26th Jul 2025633 PMAQI
26th Jul 2025654 PMAQI
26th Jul 2025605 PMAQI
26th Jul 2025536 PMAQI
26th Jul 2025567 PMAQI
26th Jul 2025668 PMAQI
26th Jul 2025639 PMAQI
26th Jul 20256110 PMAQI
26th Jul 20256011 PMAQI
27th Jul 20255912 AMAQI
27th Jul 2025591 AMAQI
27th Jul 2025582 AMAQI
27th Jul 2025593 AMAQI
27th Jul 2025594 AMAQI
29°C26/35°C
27th Jul 2025585 AMAQI
27th Jul 2025596 AMAQI
27th Jul 2025647 AMAQI
27th Jul 2025728 AMAQI
27th Jul 2025709 AMAQI
27th Jul 20256810 AMAQI
27th Jul 20256511 AMAQI
27th Jul 20256312 PMAQI
27th Jul 2025611 PMAQI
27th Jul 2025582 PMAQI
27th Jul 2025573 PMAQI
27th Jul 2025614 PMAQI
27th Jul 2025605 PMAQI
27th Jul 2025686 PMAQI
27th Jul 2025697 PMAQI
27th Jul 2025708 PMAQI
27th Jul 2025689 PMAQI
27th Jul 20256610 PMAQI
27th Jul 20256611 PMAQI
28th Jul 20256512 AMAQI
28th Jul 2025601 AMAQI
28th Jul 2025582 AMAQI
28th Jul 2025593 AMAQI
28th Jul 2025604 AMAQI
30°C26/36°C
28th Jul 2025595 AMAQI
28th Jul 2025596 AMAQI
28th Jul 2025657 AMAQI
28th Jul 2025748 AMAQI
28th Jul 2025789 AMAQI
28th Jul 20257510 AMAQI
28th Jul 20256911 AMAQI
28th Jul 20256812 PMAQI
28th Jul 2025681 PMAQI
28th Jul 2025652 PMAQI
28th Jul 2025663 PMAQI
28th Jul 2025634 PMAQI
28th Jul 2025625 PMAQI
28th Jul 2025646 PMAQI
28th Jul 2025717 PMAQI
28th Jul 2025698 PMAQI
28th Jul 2025799 PMAQI
28th Jul 20257510 PMAQI
28th Jul 20256811 PMAQI
29th Jul 20256212 AMAQI
29th Jul 2025581 AMAQI
29th Jul 2025602 AMAQI
29th Jul 2025623 AMAQI
29th Jul 2025624 AMAQI
31°C27/35°C
29th Jul 2025625 AMAQI
29th Jul 2025626 AMAQI
29th Jul 2025887 AMAQI
29th Jul 20251078 AMAQI
29th Jul 20251049 AMAQI
29th Jul 202510510 AMAQI
29th Jul 20257611 AMAQI
29th Jul 20257812 PMAQI
29th Jul 2025781 PMAQI
29th Jul 2025702 PMAQI
29th Jul 2025673 PMAQI
29th Jul 2025624 PMAQI
29th Jul 2025695 PMAQI
29th Jul 2025726 PMAQI
29th Jul 2025687 PMAQI
29th Jul 2025758 PMAQI
29th Jul 2025759 PMAQI
29th Jul 20257410 PMAQI
29th Jul 20257111 PMAQI
30th Jul 20256712 AMAQI
30th Jul 2025661 AMAQI
30th Jul 2025642 AMAQI
30th Jul 2025663 AMAQI
30th Jul 2025664 AMAQI
32°C28/36°C
30th Jul 2025675 AMAQI
30th Jul 2025676 AMAQI
30th Jul 2025727 AMAQI
30th Jul 2025808 AMAQI
30th Jul 2025909 AMAQI
30th Jul 20258210 AMAQI
30th Jul 20256611 AMAQI
30th Jul 20256212 PMAQI
30th Jul 2025721 PMAQI
30th Jul 2025902 PMAQI
30th Jul 2025963 PMAQI
30th Jul 2025854 PMAQI
30th Jul 2025795 PMAQI
30th Jul 2025726 PMAQI
30th Jul 2025727 PMAQI
30th Jul 2025698 PMAQI
30th Jul 2025689 PMAQI
30th Jul 20256310 PMAQI
30th Jul 20256411 PMAQI
31st Jul 20256612 AMAQI
31st Jul 2025631 AMAQI
31st Jul 2025662 AMAQI
31st Jul 2025673 AMAQI
31st Jul 2025674 AMAQI
32°C28/37°C
31st Jul 2025675 AMAQI
31st Jul 2025676 AMAQI
31st Jul 2025677 AMAQI
31st Jul 2025678 AMAQI
31st Jul 2025629 AMAQI
31st Jul 20256010 AMAQI
31st Jul 20257211 AMAQI
31st Jul 20257312 PMAQI
31st Jul 2025701 PMAQI
31st Jul 2025742 PMAQI
31st Jul 2025653 PMAQI
31st Jul 2025624 PMAQI
31st Jul 2025625 PMAQI
31st Jul 2025606 PMAQI
31st Jul 2025607 PMAQI
31st Jul 2025618 PMAQI
31st Jul 2025619 PMAQI
31st Jul 20256010 PMAQI
31st Jul 20256011 PMAQI
1st Aug 20255412 AMAQI
1st Aug 2025561 AMAQI
1st Aug 2025542 AMAQI
1st Aug 2025533 AMAQI
1st Aug 2025544 AMAQI
32°C29/36°C
1st Aug 2025555 AMAQI
1st Aug 2025566 AMAQI
1st Aug 2025637 AMAQI
1st Aug 2025648 AMAQI
1st Aug 2025599 AMAQI
1st Aug 20255810 AMAQI
1st Aug 20255411 AMAQI
1st Aug 20255212 PMAQI
1st Aug 2025421 PMAQI
1st Aug 2025532 PMAQI
1st Aug 2025443 PMAQI
1st Aug 2025414 PMAQI
1st Aug 2025535 PMAQI
1st Aug 2025496 PMAQI
1st Aug 2025517 PMAQI
1st Aug 2025488 PMAQI
1st Aug 2025549 PMAQI
1st Aug 20255610 PMAQI
1st Aug 20255311 PMAQI
2nd Aug 20255412 AMAQI
2nd Aug 2025561 AMAQI
2nd Aug 2025562 AMAQI
2nd Aug 2025553 AMAQI
2nd Aug 2025564 AMAQI
28°C26/29°C
2nd Aug 2025565 AMAQI
2nd Aug 2025566 AMAQI
2nd Aug 2025487 AMAQI
2nd Aug 2025498 AMAQI
2nd Aug 2025459 AMAQI
2nd Aug 20255310 AMAQI
2nd Aug 20255311 AMAQI
2nd Aug 20255412 PMAQI
2nd Aug 2025571 PMAQI
2nd Aug 2025502 PMAQI
2nd Aug 2025553 PMAQI
2nd Aug 2025554 PMAQI
2nd Aug 2025605 PMAQI
2nd Aug 2025606 PMAQI
2nd Aug 2025557 PMAQI
2nd Aug 2025568 PMAQI
2nd Aug 2025599 PMAQI
2nd Aug 20255810 PMAQI
2nd Aug 20255511 PMAQI
3rd Aug 20255612 AMAQI
3rd Aug 2025561 AMAQI
3rd Aug 2025562 AMAQI
3rd Aug 2025553 AMAQI
3rd Aug 2025564 AMAQI
31°C26/36°C
3rd Aug 2025555 AMAQI
3rd Aug 2025556 AMAQI
3rd Aug 2025567 AMAQI
3rd Aug 2025588 AMAQI
3rd Aug 2025619 AMAQI
3rd Aug 20256210 AMAQI
3rd Aug 20256011 AMAQI
3rd Aug 20257012 PMAQI
3rd Aug 2025561 PMAQI
3rd Aug 2025562 PMAQI
3rd Aug 2025563 PMAQI
3rd Aug 2025564 PMAQI
3rd Aug 2025495 PMAQI
3rd Aug 2025476 PMAQI
3rd Aug 2025537 PMAQI
3rd Aug 2025568 PMAQI
3rd Aug 2025599 PMAQI
3rd Aug 20255710 PMAQI
3rd Aug 20256111 PMAQI
4th Aug 20255412 AMAQI
--°C/°C
5 AM
11 AM
6 PM
11 PM
4 AM
--°C/°C
Day time
Avg. Highest Time
8 AM - 6 PM
67AQI
11 hours / Day
330 hours / Month
Avg. Lowest Time
5 AM - 6 AM
62AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 8 AM to 6 PM (Avg. 67), while the lowest AQI was between 5 AM to 6 AM (Avg. 62).
Night time
Avg. Highest Time
12 AM - 11 PM
64AQI
10 hours / Day
300 hours / Month
Avg. Lowest Time
12 AM - 11 PM
64AQI
10 hours / Day
300 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 64), while the lowest AQI was between 12 AM to 11 PM (Avg. 64).
2025 Days Vs Air Quality
United Nations International School Of Hanoi, Hanoi, Ha Noi, Vietnam
2025
0.9%
2
57%
123
30%
65
11%
24
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Good
2 DaysModerate
123 DaysPoor
65 DaysUnhealthy
24 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 0.93%
Health Risk Level:
Extreme
In 2025, 0.93% of 215 days were within WHO’s safe air quality limits. The risk of health issues is Extreme, potentially causing respiratory problems, heart disease, skin issues, and stress, especially for children, the elderly, and those with pre-existing conditions.
Annual Air Quality Insights
United Nations International School Of Hanoi, Hanoi, Ha Noi, Vietnam
AQI levels in 2025
AQI
PM2.5
PM10
CO
SO2
NO2
O3
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
1st January 2025
156AQI
156AQI
2nd January 2025
194AQI
194AQI
3rd January 2025
164AQI
164AQI
4th January 2025
144AQI
144AQI
5th January 2025
148AQI
148AQI
6th January 2025
153AQI
153AQI
7th January 2025
155AQI
155AQI
8th January 2025
150AQI
150AQI
9th January 2025
157AQI
157AQI
10th January 2025
126AQI
126AQI
11th January 2025
131AQI
131AQI
12th January 2025
141AQI
141AQI
13th January 2025
158AQI
158AQI
14th January 2025
166AQI
166AQI
15th January 2025
164AQI
164AQI
16th January 2025
160AQI
160AQI
17th January 2025
162AQI
162AQI
18th January 2025
171AQI
171AQI
19th January 2025
171AQI
171AQI
20th January 2025
187AQI
187AQI
21st January 2025
177AQI
177AQI
22nd January 2025
182AQI
182AQI
23rd January 2025
161AQI
161AQI
24th January 2025
162AQI
162AQI
25th January 2025
138AQI
138AQI
26th January 2025
91AQI
91AQI
27th January 2025
105AQI
105AQI
28th January 2025
102AQI
102AQI
29th January 2025
135AQI
135AQI
30th January 2025
129AQI
129AQI
31st January 2025
117AQI
117AQI
1st February 2025
107AQI
107AQI
2nd February 2025
93AQI
93AQI
3rd February 2025
76AQI
76AQI
4th February 2025
94AQI
94AQI
5th February 2025
122AQI
122AQI
6th February 2025
124AQI
124AQI
7th February 2025
66AQI
66AQI
8th February 2025
88AQI
88AQI
9th February 2025
110AQI
110AQI
10th February 2025
144AQI
144AQI
11th February 2025
157AQI
157AQI
12th February 2025
172AQI
172AQI
13th February 2025
157AQI
157AQI
14th February 2025
158AQI
158AQI
15th February 2025
153AQI
153AQI
16th February 2025
99AQI
99AQI
17th February 2025
136AQI
136AQI
18th February 2025
93AQI
93AQI
19th February 2025
114AQI
114AQI
20th February 2025
143AQI
143AQI
21st February 2025
134AQI
134AQI
22nd February 2025
148AQI
148AQI
23rd February 2025
86AQI
86AQI
24th February 2025
97AQI
97AQI
25th February 2025
114AQI
114AQI
26th February 2025
102AQI
102AQI
27th February 2025
146AQI
146AQI
28th February 2025
123AQI
123AQI
1st March 2025
130AQI
130AQI
2nd March 2025
109AQI
109AQI
3rd March 2025
110AQI
110AQI
4th March 2025
109AQI
109AQI
5th March 2025
113AQI
113AQI
6th March 2025
86AQI
86AQI
7th March 2025
93AQI
93AQI
8th March 2025
114AQI
114AQI
9th March 2025
138AQI
138AQI
10th March 2025
148AQI
148AQI
11th March 2025
135AQI
135AQI
12th March 2025
117AQI
117AQI
13th March 2025
100AQI
100AQI
14th March 2025
110AQI
110AQI
15th March 2025
99AQI
99AQI
16th March 2025
81AQI
81AQI
17th March 2025
102AQI
102AQI
18th March 2025
99AQI
99AQI
19th March 2025
98AQI
98AQI
20th March 2025
114AQI
114AQI
21st March 2025
133AQI
133AQI
22nd March 2025
140AQI
140AQI
23rd March 2025
144AQI
144AQI
24th March 2025
150AQI
150AQI
25th March 2025
150AQI
150AQI
26th March 2025
137AQI
137AQI
27th March 2025
129AQI
129AQI
28th March 2025
129AQI
129AQI
29th March 2025
96AQI
96AQI
30th March 2025
79AQI
79AQI
31st March 2025
87AQI
87AQI
1st April 2025
110AQI
110AQI
2nd April 2025
133AQI
133AQI
3rd April 2025
127AQI
127AQI
4th April 2025
152AQI
152AQI
5th April 2025
135AQI
135AQI
6th April 2025
139AQI
139AQI
7th April 2025
138AQI
138AQI
8th April 2025
134AQI
134AQI
9th April 2025
122AQI
122AQI
10th April 2025
120AQI
120AQI
11th April 2025
121AQI
121AQI
12th April 2025
111AQI
111AQI
13th April 2025
91AQI
91AQI
14th April 2025
98AQI
98AQI
15th April 2025
108AQI
108AQI
16th April 2025
105AQI
105AQI
17th April 2025
104AQI
104AQI
18th April 2025
115AQI
115AQI
19th April 2025
115AQI
115AQI
20th April 2025
100AQI
100AQI
21st April 2025
96AQI
96AQI
22nd April 2025
104AQI
104AQI
23rd April 2025
109AQI
109AQI
24th April 2025
99AQI
99AQI
25th April 2025
91AQI
91AQI
26th April 2025
93AQI
93AQI
27th April 2025
86AQI
86AQI
28th April 2025
78AQI
78AQI
29th April 2025
83AQI
83AQI
30th April 2025
77AQI
77AQI
1st May 2025
71AQI
71AQI
2nd May 2025
82AQI
82AQI
3rd May 2025
86AQI
86AQI
4th May 2025
82AQI
82AQI
5th May 2025
85AQI
85AQI
6th May 2025
82AQI
82AQI
7th May 2025
83AQI
83AQI
8th May 2025
85AQI
85AQI
9th May 2025
87AQI
87AQI
10th May 2025
87AQI
87AQI
11th May 2025
63AQI
63AQI
12th May 2025
75AQI
75AQI
13th May 2025
71AQI
71AQI
14th May 2025
70AQI
70AQI
15th May 2025
65AQI
65AQI
16th May 2025
61AQI
61AQI
17th May 2025
58AQI
58AQI
18th May 2025
57AQI
57AQI
19th May 2025
57AQI
57AQI
20th May 2025
58AQI
58AQI
21st May 2025
57AQI
57AQI
22nd May 2025
59AQI
59AQI
23rd May 2025
58AQI
58AQI
24th May 2025
55AQI
55AQI
25th May 2025
56AQI
56AQI
26th May 2025
58AQI
58AQI
27th May 2025
71AQI
71AQI
28th May 2025
70AQI
70AQI
29th May 2025
57AQI
57AQI
30th May 2025
58AQI
58AQI
31st May 2025
60AQI
60AQI
1st June 2025
52AQI
52AQI
2nd June 2025
50AQI
50AQI
3rd June 2025
58AQI
58AQI
4th June 2025
61AQI
61AQI
5th June 2025
73AQI
73AQI
6th June 2025
67AQI
67AQI
7th June 2025
66AQI
66AQI
8th June 2025
64AQI
64AQI
9th June 2025
68AQI
68AQI
10th June 2025
63AQI
63AQI
11th June 2025
64AQI
64AQI
12th June 2025
64AQI
64AQI
13th June 2025
54AQI
54AQI
14th June 2025
63AQI
63AQI
15th June 2025
65AQI
65AQI
16th June 2025
67AQI
67AQI
17th June 2025
64AQI
64AQI
18th June 2025
57AQI
57AQI
19th June 2025
70AQI
70AQI
20th June 2025
71AQI
71AQI
21st June 2025
67AQI
67AQI
22nd June 2025
73AQI
73AQI
23rd June 2025
67AQI
67AQI
24th June 2025
68AQI
68AQI
25th June 2025
57AQI
57AQI
26th June 2025
62AQI
62AQI
27th June 2025
65AQI
65AQI
28th June 2025
61AQI
61AQI
29th June 2025
60AQI
60AQI
30th June 2025
57AQI
57AQI
1st July 2025
52AQI
52AQI
2nd July 2025
57AQI
57AQI
3rd July 2025
58AQI
58AQI
4th July 2025
64AQI
64AQI
5th July 2025
65AQI
65AQI
6th July 2025
63AQI
63AQI
7th July 2025
67AQI
67AQI
8th July 2025
68AQI
68AQI
9th July 2025
72AQI
72AQI
10th July 2025
61AQI
61AQI
11th July 2025
62AQI
62AQI
12th July 2025
60AQI
60AQI
13th July 2025
64AQI
64AQI
14th July 2025
76AQI
76AQI
15th July 2025
86AQI
86AQI
16th July 2025
73AQI
73AQI
17th July 2025
71AQI
71AQI
18th July 2025
67AQI
67AQI
19th July 2025
74AQI
74AQI
20th July 2025
71AQI
71AQI
21st July 2025
68AQI
68AQI
22nd July 2025
45AQI
45AQI
23rd July 2025
56AQI
56AQI
24th July 2025
57AQI
57AQI
25th July 2025
61AQI
61AQI
26th July 2025
61AQI
61AQI
27th July 2025
63AQI
63AQI
28th July 2025
66AQI
66AQI
29th July 2025
72AQI
72AQI
30th July 2025
72AQI
72AQI
31st July 2025
65AQI
65AQI
1st August 2025
53AQI
53AQI
2nd August 2025
54AQI
54AQI
150AQI
120AQI
115AQI
110AQI
69AQI
63AQI
65AQI
54AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202598AQI
1
12
18
9
14
5
10
21
11
18
1
31
1
29
1
30
2
2
123
65
24
Highest AQI recorded in
January150AQI
Lowest AQI recorded in
August54AQI
2024113AQI
2
15
13
1
5
16
6
2
1
13
15
2
1
19
10
11
20
21
8
1
3
25
2
8
14
6
1
1
12
6
1
1
7
19
4
20
8
2
3
25
3
13
122
157
56
5
Highest AQI recorded in
March154AQI
Lowest AQI recorded in
July59AQI
2023127AQI
3
6
18
4
2
14
8
3
5
7
13
6
3
7
18
2
1
11
13
6
1
15
11
3
7
18
5
1
1
16
11
3
13
11
3
11
15
3
6
6
13
3
1
12
13
5
10
104
118
102
23
Highest AQI recorded in
December160AQI
Lowest AQI recorded in
July75AQI
2022101AQI
1
4
1
10
1
5
5
4
6
1
8
11
9
4
10
15
1
4
21
6
8
18
4
9
13
2
1
4
15
9
1
9
19
2
2
13
13
1
4
11
12
4
38
117
102
42
2
Highest AQI recorded in
January143AQI
Lowest AQI recorded in
July64AQI
202169AQI
6
9
16
12
16
9
19
3
2
21
5
20
8
28
31
10
3
7
1
1
91
59
49
26
1
1
Highest AQI recorded in
December159AQI
Lowest AQI recorded in
August0AQI
202070AQI
9
2
27
4
20
11
25
4
8
8
4
1
3
20
5
1
12
6
12
1
89
44
30
18
2
Highest AQI recorded in
November132AQI
Lowest AQI recorded in
September26AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
127AQILeast Polluted Year Recorded
2021(Avg.)
69AQIUnited Nations International School Of Hanoi's annual 2025 AQI (98) shows an average percentage change of 9.1% (worsened AQI) compared to previous years: 2020 (70), 2021 (69), 2022 (101), 2023 (127), 2024 (113).
